Code Tutorials

Discover thousands of free code tutorials to help you learn web and mobile development. You can learn Android app development, master React Native, become a better WordPress developer, and much more.

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  1. What Is the Android Activity Lifecycle?

    What Is the Android Activity Lifecycle?

    Tutorial • Beginner

    Activities are a fundamental part of Android app development, and you need to understand their lifecycles. So learn all about the Activity lifecycle.

  2. How to Use Media Queries in JavaScript

    How to Use Media Queries in JavaScript

    Tutorial • Beginner

    In this tutorial, you will learn how to use media queries in JavaScript and how well they perform compared to other methods.

  3. Developing Google Chrome Extensions

    Developing Google Chrome Extensions

    Tutorial • Intermediate

    Google Chrome extensions are applications that run in the Chrome browser. They provide additional features, integration with third-party websites or...

  4. How to Use Python to Find the Zipf Distribution of a Text File

    How to Use Python to Find the Zipf Distribution of a Text File

    Tutorial • Beginner

    This tutorial will show how we can use Python to work with a statistical concept, namely Zipf's law. It also demonstrates Python's efficiency in reading and...

  5. Android Sensors in Depth: Proximity and Gyroscope

    Android Sensors in Depth: Proximity and Gyroscope

    Tutorial • Intermediate

    Gyroscopes and proximity sensors are available on most Android phones today. By using them creatively, you can add a whole new dimension to your user...

  6. How to Read Extremely Large Text Files Using Python

    How to Read Extremely Large Text Files Using Python

    Tutorial • Beginner

    This quick tip shows how we can read extremely large text files using Python. And by "extremely large," I mean those that not even Microsoft Word will read.

  7. 10 Best Free Live Chat PHP Scripts

    10 Best Free Live Chat PHP Scripts

    Tutorial • Beginner

    Free PHP live chat scripts come in all sizes and shapes. Some have enterprise-level features, while others have basic features that allow you to get started...

  8. 10 Best Inventory and Stock Management PHP Scripts

    10 Best Inventory and Stock Management PHP Scripts

    Tutorial • Beginner

    On CodeCanyon, you will find inventory management PHP scripts that will simplify how you manage your inventory and save you the headaches that come from...

  9. How to Create Custom CLI Commands Using the Symfony Console Component

    How to Create Custom CLI Commands Using the Symfony Console Component

    Tutorial • Beginner

    In this article, we're going to explore how you can create custom CLI commands in your PHP applications using the Symfony Console component. After installing...

  10. Easier React Native Development With Expo

    Easier React Native Development With Expo

    Tutorial • Beginner

    Expo is a collection of tools that make it easier to code React Native apps. In this tutorial, I'm going to show you how you can quickly create React Native...

  11. Android From Scratch: How to Run Your Application on a Physical Device

    Android From Scratch: How to Run Your Application on a Physical Device

    Tutorial • Beginner

    If you are building an app that you to plan to publish on Google Play, it is very important that you understand how it behaves on a physical device. In this...

  12. What Is JavaScript?

    What Is JavaScript?

    Tutorial • Beginner

    If you're curious about getting into JavaScript but aren't sure where to start, then perhaps this primer will help set you in the right direction.

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